REVIEW: Divide Fractions and Mixed Numbers

Front

What is the reciprocal of a number?

Back

The reciprocal of a number is 1 divided by that number. For example, the reciprocal of 5 is 1/5.

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, ⅚ ÷ 4 is the same as ⅚ × 1/4.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 ¼.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 ¼ = (2×4 + 1)/4 = 9/4.

Front

What is the first step in dividing mixed numbers?

Back

Convert the mixed numbers to improper fractions before dividing.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor (GCF).

Front

What is the GCF of 10 and 15?

Back

The GCF of 10 and 15 is 5.

Front

Divide: ⅚ ÷ 4. What is the answer?

Back

5/24.

Front

Divide: 2 ¼ ÷ 4 ⅕. What is the answer?

Back

15/28.

Front

Divide: 3 ⅜ ÷ 1 ¼. What is the answer?

Back

2 7/10.